Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 655

1
* : If the total wiring length within a segment is expected to exceed 500 m, insert a signal amplifier.
For details, refer to
05-155.
2
* : If the number of nodes (the number of units of indoor units, outdoor units, controllers, and others)
is expected to exceed 64 (including signal amplifiers), insert a signal amplifier. For details refer to
"Signal amplifier (UTY-VSGXZ1)"
 Example 2: Setting automatically the address of signal amplifiers
only (When the addresses of indoor units will be set manually)
CAUTION
• When indoor units are being connected via different refrigerant systems, never activate the au-
tomatic address setting function of indoor unit.
• As long as master units are on the same network, any master unit can set the addresses of sig-
nal amplifiers automatically. Perform this setting on only 1 outdoor unit (master unit) within the
same network. No duplicate setting of this function from other outdoor unit is allowed.
(1)
Master unit
Master unit
Master unit
Activate the automatic address setting function of signal amplifier on the master unit of Refrigerant
system 1.
An address is automatically assigned to all signal amplifiers on the network.
1-5. Automatic address setting
"Signal amplifier (UTY-VSGXZ1)"
in Chapter 5. CONTROL SYSTEM on page 05-155.
Refrigerant system1
Refrigerant system2
Refrigerant system3
in Chapter 5. CONTROL SYSTEM on page
- (07-55) -
2
1
3
(1)
1. System settings